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14220450 = 2325231601
BaseRepresentation
bin110110001111…
…110010100010
3222202110210100
4312033302202
512120023300
61224443230
7231605016
oct66176242
928673710
1014220450
118033042
124919516
132c3b88a
141c62546
1513ad700
hexd8fca2

14220450 has 36 divisors (see below), whose sum is σ = 38206818. Its totient is φ = 3792000.

The previous prime is 14220439. The next prime is 14220533. The reversal of 14220450 is 5402241.

It can be written as a sum of positive squares in 3 ways, for example, as 13111641 + 1108809 = 3621^2 + 1053^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15351 + ... + 16250.

Almost surely, 214220450 is an apocalyptic number.

14220450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14220450 is an abundant number, since it is smaller than the sum of its proper divisors (23986368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14220450 is a wasteful number, since it uses less digits than its factorization.

14220450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31619 (or 31611 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 14220450 is about 3771.0011933172. The cubic root of 14220450 is about 242.2726817257.

Adding to 14220450 its reverse (5402241), we get a palindrome (19622691).

The spelling of 14220450 in words is "fourteen million, two hundred twenty thousand, four hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 31601 63202 94803 158005 189606 284409 316010 474015 568818 790025 948030 1422045 1580050 2370075 2844090 4740150 7110225 14220450